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HLS Channel

The HLS channel module converts the image into a hue, saturation, and lightness components instead of the RGB representation. The Hue is the color of the image, the Saturation is the pureness of the hue color, and the lightness is the strength of the hue. By selecting the appropriate radio button you can see the appropriate channel without the other two components similar to the RGB and YUV channel module.

Interface

Instructions

1. Select the appropriate channel
Multi Channel Hue - image hue approximated as maximum RGB channels
Single Channel Hue - image hue represented as grayscale
Saturation - image saturation represented as grayscale amount
Lightness - essentially the grayscale representation of the image
HLS as RGB - converts from RGB to HLS by placing the HLS components placed into each of the RGB channels
RGB as HLS - converts from HLS to RGB by assuming each of the RGB channels contains the HLS channels

Example

Source ImageImage Hue
Image SaturationImage Lightness

See Also

RGB Filter
YCbCr Channel

For more information


Paul Bourke - HSL color space
Wikipedia - HSL color space

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